46) Díaz-Barrera, A., Urtuvia, V., Padilla-Cordova, C Peña C (2018). Poly-3-hydroxybutyrate accumulation by Azotobacter vinelandii under different oxygen transfer strategies Submitted to Journal Industrial Microbiology & Biotechnology
45) Castillo, T., López, I., Flores, C., Segura, D., García, A., Peña C*. (2018) Oxygen uptake rate in alginate producer (algU+) and no producer (algU-) strains of Azotobacter vinelandii under nitrogen-fixation conditions. Journal of Applied Microbiology. Mar 24 [Epub ahead of print].DOI: doi.org/10.1111/jam.13760.
44) Barrales Cureño, H., Sánchez –Herrera, L., Reyes Reyes, C., Peña, C., Galindo, E., González Tena, A., De La Rosa Montoya, R., López-Valdez, L., Cortés –Ruiz, JA. (2017) Alginate production by Azotobacter vinelandi as a virtual sensor to estimate effective shear rate on stirred tank bioreactors. Egyptian Journal of Experimental Biology (Bot.), 13(2): 321 – 331. DOI: 10.5455/egyjebb.20170805085116.
43) Díaz-Barrera, A., Urtuvia, V., Maturana, M., Acevedo, F., and Carlos Peña (2017). Bacterial alginate production: an overview of its biosynthesis and potential industrial production, World Journal of Microbiology and Biotechnology, 33-198. (FI= 1.65), DOI:10.1007/s11274-017-2363-x.
42) García, A., Ferrer, P., Albiol, J., Castillo, T., Segura, D., and Carlos Peña* (2018) Metabolic flux analysis and the NADH/NAD+ and NADPH/NADP+ ratios in chemostat cultures of Azotobacter vinelandii under oxygen-limiting and non-limiting oxygen conditions. Microbial Cell Factories. 17:10, DOI:org/10.1186/s12934-018-0860-8.
41) Adaya, L., Millán, P. Peña, C., Jendrossek, D., Espín, G.,Tinoco-Valencia, R., Guzmán, J., Pfeiffer, D., Segura, D. (2018) Inactivation of a new intracellular poly-1 3-hydroxybutyrate depolymerase of Azotobacter vinelandii allows to obtain a polymer of uniform high molecular mass. Applied Microbial and Microbiology. En prensa.
40) Millán, M., Salazar, M., Segura, D., Castillo, T., Díaz-Barrera, A., Peña, C*. (2017) Molecular mass of Poly-3-hydroxybutyrate (P3HB) produced by Azotobacter vinelandii is influenced by the polymer content in the inoculum. Journal of Biotechnology. 259 (2017) 50–55, (FI= 2.6) DOI: 10.1016/j biotec.2017.08.016.
39) Castillo, T., Sanguino J., Flores, C.,Segura, D., Espín, G., Cabrera, E., Barreto, J., Díaz-Barrera, A., Carlos Peña*. (2016) Production of polyhydroxybutyrate (P3HB) of high and ultra-high molecular weight by Azotobacter vinelandii in batch and fed-batch cultures. Journal of Chemical Technology and Biotechnology, (FI=2.74) DOI: 10.1002/jctb.5182.
38) Abarca-Vargas, R Peña, C., and Petricevich, V. (2016) Characterization of chemical compounds with antioxidant and cytotoxic activities in Bougainvillea x buttiana Holttum & Standl, (var. Rose) extracts. Antioxidants 5, 45, doi:10.3390/antiox5040045.
37) Ahumada-Manuela, L. Guzmán, J. Peña, C. Quiróz-Rocha, E., Espín, G., and Cinthia Núñez. (2016) The c-di-GMP signaling protein MucG negatively affects the synthesis and the molecular mass of the alginate in Azotobacter vinelandii. Applied Microbiology Biotechnology (FI= 3.37). DOI: 10.1007/s00253-016-7931-8.
36) Millán M., Galindo, E., Segura, D., y Peña C*. (2016) Synthesis and degradation of poly-3-hydroxybutyrate (P3HB) produced by Azotobacter vinelandii OP under oxygen-limited and non oxygen-limited conditions. Process Biochemistry, 51, 950-958. (FI= 2.52). DOI: 10.1016/j.procbio.2016.04.013.
35) Jiménez, L., Castillo, T., Segura, D., Galindo, E., and Peña C.*. (2016) Analysis of respiratory activity and carbon usage of a mutant of Azotobacter vinelandii impaired in poly-β-hydroxybutyrate synthesis. Journal of Industrial Microbiology and Biotechnology. 43, 1167-1174 (FI =2.75) DOI:10.1007/s10295-016-1774-2.
34) Gómez K., Flores, C., Castillo-Marenco, T., Buchs, J., Galindo, E., y Peña C*. (2015) Molecular weight and viscosifying power of alginates produced in cultures of Azotobacter vinelandii in shake flasks under low power consumption. Journal of Chemical Technology and Biotechnology. 91, 1485-1492. FI (2.74). ISSN: 1097-4660, DOI: 10.1002/jctb.4548.
33) Diaz-Barrera, A. Andrea, R. Martinez, I y Peña, C. (2016) Poly-3-hydroxybutyrate production by Azotobacter vinelandii strains in stirred tanks at different oxygen transfer rates.Journal of Chemical Technology and Biotechnology. 91, 1063-1071. FI (2.74). ISSN: 1097-4660, DOI: 10.1002/jctb.4548.
32) Domínguez-Díaz, M., A. Romo-Uribe, Peña, C., Espin, G., Segura, D., & Meneses-Acosta, A. (2015). Thermo-mechanical properties, microstructure and cell viability in poly--hydroxybutyrates (PHB) produced by OP and OPN strains of Azotobacter vinelandii. European Polymer Journal, 63:101-112. FI (3.5) ISSN: 0014-3057. DOI: j.eurpolymj.2014.12.002
31) Flores C. Díaz-Barrera, A., Martínez F., Galindo E., and Peña, C*. (2015) Role of oxygen in the polymerization and de-polymerization of alginate produced by Azotobacter vinelandii. Minireview, Journal of Chemical Technology and Biotechnology. 90 (3): 356-365. FI (2.74). ISSN: 1097-4660, DOI: 10.1002/jctb.4548.
30) Giese, H. Klöckner, W. Peña, C. Galindo, E. Lotter, S. Wetzel1, K. Meißner, L. Peter, C. and Büchs, J. (2014) Effective Shear Rate in Shake Flasks. Chemical Engineering Science. 118:102-113. FI (2.75). ISSN: 0009-2509. DOI: 10.1016/j.ces.2014.07.037.
29) Peña, C*. Castillo, T., García, A., and Segura, D., (2014) Biotechnological strategies to improve production of microbial polyhydroxybutyrate [P(3HB)]: a review of recent research work. Microbial Biotechnology, 7, 278-293. FI (3.99). ISSN: 1751-7915. DOI: 10.1111/1751-7915.12129.
28) García, A. Segura, D. Espín, G. Galindo, E. Castillo, T. Peña, C*. (2014) High production of polyhydroxybutyrate (PHB) by an Azotobacter vinelandii mutant altered in PHB regulation using a fed-batch fermentation process. Biochemical Engineering Journal. 82, 117-123. FI (2.46).ISSN: 1369-703X. DOI: 10.1016/j.bej.2013.10.020.

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